Finding the Fourth Proportional to 191,644.68, 264,466.17 and 106,759.92
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Solution
The fourth proportional to 191,644.68, 264,466.17 and 106,759.92 is: 147,326.75
Step by Step Solution
- Step 1: Write the proportion equation
191,644.68 : 264,466.17 = 106,759.92 : x - Step 2: Convert to fraction form
191,644.68/264,466.17 = 106,759.92/x - Step 3: Cross multiply
191,644.68x = 264,466.17 × 106,759.92 - Step 4: Simplify right side
191,644.68x = 28,234,387,151.91 - Step 5: Solve for x
x = 28,234,387,151.91/191,644.68 - Step 6: Final answer
x = 147,326.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.